🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 808.9

Radius: 12.1

Gravity: 5.52 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 0.51 AU - 0.57 AU

Year: 274 Days

Day: 10.1 Hours

Environment

Temp: -154 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 87,523,686 km

• M1: 150,645 km (0.079 R)
• M2: 567,126 km (0.091 R)
• M3: 983,905 km (0.038 R)
• M4: 1,664,875 km (0.117 R)
• M5: 2,247,558 km (0.116 R)
• M6: 2,846,847 km (0.111 R)
• M7: 3,550,705 km (0.1 R)
• M8: 3,992,618 km (0.097 R)
• M9: 4,550,468 km (0.056 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 231.6

Radius: 14.9

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 0.49 AU - 0.77 AU

Year: 345 Days

Day: 9.1 Hours

Environment

Temp: -149 °C

Axial Tilt: 102.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 87,523,686 km

• M1: 185,352 km (0.057 R)
• M2: 768,185 km (0.079 R)
• M3: 1,254,079 km (0.097 R)
• M4: 1,858,155 km (0.109 R)
• M5: 2,334,026 km (0.111 R)
• M6: 3,352,339 km (0.081 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 893.6

Radius: 9.5

Gravity: 9.9 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 0.88 AU - 1.3 AU

Year: 786 Days

Day: 5.3 Hours

Environment

Temp: -177 °C

Axial Tilt: 45.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 87,523,686 km

• M1: 118,182 km (0.075 R)
• M2: 491,130 km (0.115 R)
• M3: 867,219 km (0.047 R)
• M4: 1,376,749 km (0.09 R)
• M5: 1,931,309 km (0.108 R)
• M6: 2,335,971 km (0.099 R)
• M7: 2,699,793 km (0.1 R)
• M8: 3,414,571 km (0.101 R)
• M9: 3,809,211 km (0.056 R)
• M10: 4,534,760 km (0.037 R)
• M11: 4,831,712 km (0.064 R)
• M12: 6,132,017 km (0.088 R)
• M13: 7,150,928 km (0.117 R)
• M14: 7,923,601 km (0.101 R)
• M15: 9,606,128 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 458.2

Radius: 9.7

Gravity: 4.87 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 4.03 AU - 5.33 AU

Year: 6988 Days

Day: 6.1 Hours

Environment

Temp: -221 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 87,523,686 km

• M1: 121,025 km (0.109 R)
• M2: 542,143 km (0.061 R)
• M3: 982,260 km (0.091 R)
• M4: 1,668,016 km (0.114 R)
• M5: 2,147,777 km (0.089 R)
• M6: 3,364,157 km (0.049 R)
• M7: 4,306,474 km (0.032 R)
• M8: 5,045,188 km (0.056 R)
• M9: 7,808,859 km (0.102 R)
• M10: 8,189,436 km (0.115 R)
• M11: 8,864,721 km (0.113 R)
• M12: 13,886,123 km (0.104 R)
• M13: 22,080,047 km (0.101 R)
• M14: 23,859,664 km (0.081 R)
• M15: 25,400,372 km (0.118 R)
• M16: 25,900,328 km (0.098 R)
• M17: 26,491,988 km (0.06 R)
• M18: 29,678,123 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 640.7

Radius: 14.6

Gravity: 3.01 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 3.69 AU - 6.13 AU

Year: 7510 Days

Day: 13.2 Hours

Environment

Temp: -217 °C

Axial Tilt: 131.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 87,523,686 km

• M1: 181,761 km (0.074 R)
• M2: 694,733 km (0.073 R)
• M3: 1,386,473 km (0.101 R)
• M4: 3,420,705 km (0.108 R)
• M5: 4,132,940 km (0.053 R)
• M6: 4,885,418 km (0.042 R)
• M7: 11,723,536 km (0.099 R)
• M8: 12,463,447 km (0.045 R)
• M9: 13,066,476 km (0.078 R)
• M10: 15,487,718 km (0.06 R)
• M11: 18,971,553 km (0.076 R)
• M12: 23,110,926 km (0.116 R)
• M13: 28,189,624 km (0.096 R)
• M14: 28,659,511 km (0.08 R)
• M15: 30,690,602 km (0.117 R)
• M16: 38,039,896 km (0.104 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 305.8

Radius: 4.6

Gravity: 14.45 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 5.46 AU - 6.7 AU

Year: 10348 Days

Day: 22.9 Hours

Environment

Temp: -222 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 87,523,686 km

• M1: 57,146 km (0.088 R)
• M2: 231,428 km (0.105 R)
• M3: 2,078,363 km (0.071 R)
• M4: 2,311,437 km (0.088 R)
• M5: 5,628,470 km (0.114 R)
• M6: 6,351,477 km (0.081 R)
• M7: 8,551,313 km (0.119 R)
• M8: 11,464,283 km (0.067 R)
• M9: 16,355,386 km (0.101 R)
• M10: 22,396,297 km (0.103 R)
• M11: 23,039,119 km (0.084 R)
• M12: 26,706,361 km (0.028 R)
• M13: 33,373,340 km (0.028 R)
• M14: 37,032,205 km (0.117 R)
• M15: 37,255,405 km (0.059 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 883.2

Radius: 5.9

Gravity: 25.37 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 7.61 AU - 12.33 AU

Year: 21730 Days

Day: 23.7 Hours

Environment

Temp: -239 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 87,523,686 km

• M1: 74,799 km (0.113 R)
• M2: 452,085 km (0.119 R)
• M3: 673,190 km (0.086 R)
• M4: 967,001 km (0.084 R)
• M5: 1,165,367 km (0.066 R)
• M6: 1,391,111 km (0.104 R)
• M7: 2,055,475 km (0.09 R)
• M8: 2,250,700 km (0.085 R)
• M9: 2,506,064 km (0.055 R)
• M10: 3,361,165 km (0.086 R)
• M11: 4,119,477 km (0.108 R)
• M12: 4,834,106 km (0.101 R)
• M13: 6,739,234 km (0.067 R)
• M14: 7,271,653 km (0.084 R)
• M15: 8,474,869 km (0.102 R)
• M16: 9,210,741 km (0.103 R)
• M17: 10,236,384 km (0.119 R)
• M18: 10,744,418 km (0.065 R)
• M19: 13,315,108 km (0.038 R)
• M20: 15,431,020 km (0.095 R)
• M21: 16,785,330 km (0.082 R)
• M22: 18,494,336 km (0.085 R)
• M23: 19,343,005 km (0.112 R)
• M24: 24,200,448 km (0.087 R)
• M25: 24,535,547 km (0.088 R)
• M26: 28,058,726 km (0.111 R)
• M27: 32,172,967 km (0.09 R)
• M28: 32,714,062 km (0.099 R)
• M29: 32,986,779 km (0.119 R)
• M30: 33,398,772 km (0.107 R)
• M31: 36,966,531 km (0.074 R)
• M32: 38,613,754 km (0.111 R)
• M33: 43,189,803 km (0.069 R)
• M34: 47,938,787 km (0.067 R)
• M35: 50,257,255 km (0.112 R)
• M36: 73,405,880 km (0.065 R)
• M37: 74,578,578 km (0.155 R)
• M38: 86,738,940 km (0.207 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 293 - 13,999 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit